<template>
  <avue-crud
    :option="option"
    :table-loading="loading"
    :data="data"
    :page.sync="page"
    :permission="permissionList"
    :before-open="beforeOpen"
    :before-close="beforeClose"
    v-model="form"
    ref="crud"
    @row-update="rowUpdate"
    @row-save="rowSave"
    @row-del="rowDel"
    @search-change="searchChange"
    @search-reset="searchReset"
    @selection-change="selectionChange"
    @current-change="currentChange"
    @size-change="sizeChange"
    @refresh-change="refreshChange"
    @on-load="onLoad"
  >
    <template slot-scope="" slot="menuIdForm">
      <el-select class="treeSelectInput" v-model="menuId" multiple :clearable="true" placeholder="请选择">
        <el-option hidden value=""></el-option>
        <el-option hidden v-for="item in treeSelectData" :key="item.value" :label="item.label" :value="item.value"></el-option>
        <el-input style="margin: 5px 10px; width: 95%" placeholder="输入关键字进行过滤" v-model="filterText"></el-input>
        <el-tree
          class="filter-tree"
          ref="tree"
          :props="treeDataProps"
          :data="treeData"
          show-checkbox
          node-key="value"
          :default-checked-keys="defaultChecked"
          :filter-node-method="filterNode"
          @check="handleCheck"
        ></el-tree>
      </el-select>
    </template>
    <template slot="menuLeft">
      <el-button type="danger" size="small" icon="el-icon-delete" plain @click="handleDelete">删 除 </el-button>
    </template>
  </avue-crud>
</template>

<script>
import { getList, getDetail, add, update, remove } from '@/api/system/tenantpackage';
import { mapGetters } from 'vuex';
import { getMenuTree } from '@/api/system/menu';

export default {
  name: 'tenantPackage',
  data() {
    return {
      form: {},
      query: {},
      loading: true,
      page: {
        pageSize: 20,
        currentPage: 1,
        total: 0
      },
      selectionList: [],
      option: {
        height: 'auto',
        calcHeight: 30,
        tip: false,
        searchShow: true,
        searchMenuSpan: 6,
        border: true,
        index: true,
        viewBtn: true,
        selection: true,
        dialogClickModal: false,
        dialogWidth: 600,
        column: [
          {
            label: '产品包名',
            prop: 'packageName',
            search: true,
            span: 24,
            rules: [
              {
                required: true,
                message: '请输入产品包名称',
                trigger: 'blur'
              }
            ]
          },
          {
            label: '菜单列表',
            prop: 'menuId',
            span: 24,
            hide: true,
            rules: [
              {
                required: true,
                message: '请选择菜单',
                trigger: 'blur'
              }
            ]
          },
          {
            label: '备注',
            prop: 'remark',
            span: 24
          }
        ]
      },
      data: [],
      treeData: [],
      treeDataProps: {
        label: 'title',
        children: 'children'
      },
      treeSelectData: [],
      menuId: [],
      defaultChecked: [],
      filterText: '',
      halfCheckedKeys: [] //属性半选中节点
    };
  },
  computed: {
    ...mapGetters(['permission']),
    permissionList() {
      return {
        addBtn: true,
        viewBtn: false,
        delBtn: true,
        editBtn: true
      };
    },
    ids() {
      let ids = [];
      this.selectionList.forEach((ele) => {
        ids.push(ele.id);
      });
      return ids.join(',');
    }
  },
  watch: {
    filterText(val) {
      this.$refs.tree.filter(val);
    },
    menuId(val) {
      if (val.length === 0) {
        this.$refs.tree.setCheckedKeys([]);
        this.form.menuId = '';
      }
    }
  },
  methods: {
    initData() {
      getMenuTree().then((res) => {
        // const column = this.findObject(this.option.column, 'menuId');
        // column.dicData = res.data.data;
        this.treeData = res.data.data;
      });
    },
    rowSave(row, done, loading) {
      // row.menuId = row.menuId.join(',');
      // this.menuId = this.menuId.concat(this.halfCheckedKeys);
      row.menuId = this.menuId.join(',');
      add(row).then(
        () => {
          this.onLoad(this.page);
          this.$message({
            type: 'success',
            message: '操作成功!'
          });
          done();
        },
        (error) => {
          loading();
          window.console.log(error);
        }
      );
    },
    rowUpdate(row, index, done, loading) {
      // this.menuId = this.menuId.concat(this.halfCheckedKeys);
      row.menuId = this.menuId.join(',');
      update(row).then(
        () => {
          this.onLoad(this.page);
          this.$message({
            type: 'success',
            message: '操作成功!'
          });
          done();
        },
        (error) => {
          loading();
          console.log(error);
        }
      );
    },
    rowDel(row) {
      this.$confirm('确定将选择数据删除?', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      })
        .then(() => {
          return remove(row.id);
        })
        .then(() => {
          this.onLoad(this.page);
          this.$message({
            type: 'success',
            message: '操作成功!'
          });
        });
    },
    handleDelete() {
      if (this.selectionList.length === 0) {
        this.$message.warning('请选择至少一条数据');
        return;
      }
      this.$confirm('确定将选择数据删除?', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      })
        .then(() => {
          return remove(this.ids);
        })
        .then(() => {
          this.onLoad(this.page);
          this.$message({
            type: 'success',
            message: '操作成功!'
          });
          this.$refs.crud.toggleSelection();
        });
    },
    beforeOpen(done, type) {
      if (['add', 'edit'].includes(type)) {
        this.initData();
      }
      if (['edit', 'view'].includes(type)) {
        getDetail(this.form.id).then((res) => {
          this.form = res.data.data;
          this.defaultChecked = this.form.menuId.split(',');
          this.defaultCheck();
        });
      }
      done();
    },
    beforeClose(done) {
      this.treeSelectData = [];
      this.menuId = [];
      this.$refs.tree.setCheckedKeys([]);
      done();
    },
    searchReset() {
      this.query = {};
      this.onLoad(this.page);
    },
    searchChange(params, done) {
      this.query = params;
      this.page.currentPage = 1;
      this.onLoad(this.page, params);
      done();
    },
    selectionChange(list) {
      this.selectionList = list;
    },
    selectionClear() {
      this.selectionList = [];
      this.$refs.crud.toggleSelection();
    },
    currentChange(currentPage) {
      this.page.currentPage = currentPage;
    },
    sizeChange(pageSize) {
      this.page.pageSize = pageSize;
    },
    refreshChange() {
      this.onLoad(this.page, this.query);
    },
    onLoad(page, params = {}) {
      this.loading = true;
      getList(page.currentPage, page.pageSize, Object.assign(params, this.query)).then((res) => {
        const data = res.data.data;
        this.page.total = data.total;
        this.data = data.records;
        this.loading = false;
        this.selectionClear();
      });
    },
    defaultCheck() {
      setTimeout(() => {
        let selectData = this.$refs.tree.getCheckedNodes();
        this._forEach(selectData, (item) => {
          this.treeSelectData.push({ label: item.title, value: item.value });
          let isHas = this._indexOf(this.defaultChecked, item.value);
          if (isHas === -1) {
            this.$refs.tree.setChecked(item.value, false);
          } else {
            this.menuId.push(item.value);
          }
        });
        let newSelectData = [];
        this._forEach(this.$refs.tree.getCheckedNodes(), (item) => {
          newSelectData.push(item.value);
        });
        let delItem = this._difference(this.menuId, newSelectData);
        this.menuId = this._difference(this.menuId, delItem);
        this.form.menuId = this.menuId.join(',');
        this.halfCheckedKeys = this.$refs.tree.getHalfCheckedKeys();
      }, 500);
    },
    handleCheck() {
      this.treeSelectData = [];
      this.menuId = [];
      let selectData = this.$refs.tree.getCheckedNodes();
      this._forEach(selectData, (item) => {
        this.treeSelectData.push({ label: item.title, value: item.value });
        this.menuId.push(item.value);
      });
      this.form.menuId = this.menuId.join(',');
      console.log('menuId', this.form.menuId);
      this.halfCheckedKeys = this.$refs.tree.getHalfCheckedKeys();
      console.log('halfCheckedKeys', this.halfCheckedKeys);
    },
    filterNode(value, data) {
      if (!value) return true;
      return data.title.indexOf(value) !== -1;
    }
  }
};
</script>

<style lang="scss" scoped>
.treeSelectInput {
  ::v-deep .el-tag__close {
    display: none;
  }
}
</style>
